Family: LATILUB
Base resin:Semi-aromatic polyamide (PPA)
General information
Self-lubricating product based on Semi-aromatic polyamide (PPA). PTFE. Glass fibres.
The products mentioned herein are not suitable for applications in contact with foodstuffs or for potable water transportation, or for toy manufacturing.
The products mentioned herein are not suitable for applications in the pharmaceutical, medical or dental sector.
Features
- - Self lubricant
Project challenges
- - High temperature usage
Additives
- - Glass fibres
- - PTFE
Process types
- - Injection moulding
Download documents
Technical datasheets
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- PT
Technical characteristics
| Physical properties | Standard | Value | Measure Units |
|---|---|---|---|
| Density | ISO 1183 | 1.55 | g/cm³ |
| Linear shrinkage at moulding | |||
| Longitudinal (2.0mm/60MPa) | ISO 294-4 | 0.35 ÷ 0.55 | % |
| Transversal (2.0mm/60MPa) | ISO 294-4 | 0.80 ÷ 1.00 | % |
| Dimensional stability | --- | 60 | |
| Moisture absorption | |||
| Saturation, in air | ISO 62-4 | 0.75 | % |
| Mechanical properties | Standard | Value | Measure Units |
| CHARPY impact strength | |||
| Unnotched, at +23°C | ISO 179-1eU | 60 | kJ/m² |
| Unnotched, at -20°C | ISO 179-1eU | 50 | kJ/m² |
| Notched, at +23°C | ISO 179-1eA | 9 | kJ/m² |
| Notched, at -20°C | ISO 179-1eA | 8 | kJ/m² |
| Tensile elongation | |||
| At break (5 mm/min), 23°C | ISO 527 | 2.3 | % |
| At break (5 mm/min), 60°C | ISO 527 | 2.6 | % |
| At break (5 mm/min), 90°C | ISO 527 | 2.7 | % |
| At break (5 mm/min), 120°C | ISO 527 | 3.3 | % |
| At break (5 mm/min), 150°C | ISO 527 | 6 | % |
| Tensile strength | |||
| At break (5 mm/min), 23°C | ISO 527 | 190 | MPa |
| At break (5 mm/min), 60°C | ISO 527 | 175 | MPa |
| At break (5 mm/min), 90°C | ISO 527 | 145 | MPa |
| At break (5 mm/min), 120°C | ISO 527 | 95 | MPa |
| At break (5 mm/min), 150°C | ISO 527 | 55 | MPa |
| Elastic modulus | |||
| Tensile (1 mm/min), 23°C | ISO 527 | 10000 | MPa |
| Tensile (1 mm/min), 60°C | ISO 527 | 10000 | MPa |
| Tensile (1 mm/min), 90°C | ISO 527 | 10000 | MPa |
| Tensile (1 mm/min), 120°C | ISO 527 | 7500 | MPa |
| Tensile (1 mm/min), 150°C | ISO 527 | 4000 | MPa |
| Thermal properties | Standard | Value | Measure Units |
| Coefficient of linear thermal expansion (CLTE) | |||
| +30°C to +100°C (longitudinal) | ISO 11359 | 30 | × 10⁶ K¹ |
| +30°C a +100°C (transversal) | ISO 11359 | 50 | × 10⁶ K¹ |
| VICAT - Softening point | |||
| 50N (heating rate 120°C/h) | ISO 306 | 255 | °C |
| HDT - Heat Deflection Temperature | |||
| 0.45 MPa | ISO 75 | 275 | °C |
| 1.81 MPa | ISO 75 | 255 | °C |
| Electrical properties | Standard | Value | Measure Units |
| Electrical resistivity | |||
| Surface, dry | ASTM D 257 | 1E12 | ohm |
| Dielectric strength (short period) | |||
| 2 mm thickness, 23°C, dry | ASTM D 149 | 23 | kV/mm |
| Tribological properties | Standard | Value | Measure Units |
| Wear Factor | LATI | 80 | 10ˉ⁸(mm³m)/N |
| Friction Coefficient | |||
| Static | LATI | 0.28 | |
| Dynamic | LATI | 0.32 | |
| Melt Temperature | Standard | Value | Measure Units |
| Suggested melt temperature | --- | 320 ÷ 345 | °C |
| Mould Temperature | Standard | Value | Measure Units |
| Suggested mould temperature | --- | 150 ÷ 170 | °C |
Storage
PAY ATTENTION! Material is prone to absorb moisture.
Drying conditions (hot air dessiccator)
Predrying needed. At least 2 hours at 120 ÷ 130°C
Injection speed
Injection speed: medium. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: to be evaluated
Other information
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Stress - strain curves at different temperatures